package JavaBase;

public class bookTest {
    public static void main(String[] args) {
        Book book=new Book();
        book.showBook();
        book.setTitle("十万个为什么");
        book.setAuthor("大傻子");
        book.setPublisher("傻子出版社");
        book.setPrice(19.8);
        book.showBook();
    }
}
